NUGROHO, Rahma Khairunnisa; SAPUTRO, Budi Purnomo. Blockchain in Supply Chain Transparency, Flexibility, and Supplier Trust in a Lean Perspective: A Study of PT. Siam Cement Group Yogyakarta . Golden Ratio of Mapping Idea and Literature Format, [S. l.], v. 6, n. 4, p. 3008–3028, 2026. DOI: 10.52970/grmilf.v6i4.2674. Disponível em: https://goldenratio.id/index.php/grmilf/article/view/2674. Acesso em: 21 oct. 2026.